diff --git a/pickly-service/src/main/java/org/pickly/service/common/utils/validator/nickname/NicknameValidator.java b/pickly-service/src/main/java/org/pickly/service/common/utils/validator/nickname/NicknameValidator.java
index d278f9b1..f5bf30da 100644
--- a/pickly-service/src/main/java/org/pickly/service/common/utils/validator/nickname/NicknameValidator.java
+++ b/pickly-service/src/main/java/org/pickly/service/common/utils/validator/nickname/NicknameValidator.java
@@ -9,8 +9,7 @@
 
 public class NicknameValidator implements ConstraintValidator<NicknameCheck, String> {
 
-  private static final Pattern NICKNAME_PATTERN = Pattern.compile("^[가-힣a-zA-Z0-9]+$");
-
+  private static final Pattern NICKNAME_PATTERN = Pattern.compile("^[가-힣ㄱ-ㅎㅏ-ㅣa-zA-Z0-9]+$");
 
   @Override
   public boolean isValid(String inputNickname, ConstraintValidatorContext constraintValidatorContext) {